Finding the Fourth Proportional to 235,261.44, 324,624.24 and 139,765.68
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Solution
The fourth proportional to 235,261.44, 324,624.24 and 139,765.68 is: 192,854.93
Step by Step Solution
- Step 1: Write the proportion equation
235,261.44 : 324,624.24 = 139,765.68 : x - Step 2: Convert to fraction form
235,261.44/324,624.24 = 139,765.68/x - Step 3: Cross multiply
235,261.44x = 324,624.24 × 139,765.68 - Step 4: Simplify right side
235,261.44x = 45,371,327,648.08 - Step 5: Solve for x
x = 45,371,327,648.08/235,261.44 - Step 6: Final answer
x = 192,854.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.